pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.36	IUPAC digitized pKa	0	-1	CCOC(=O)c1cc(=O)c(O)c([N+](=O)[O-])o1	CCOC(=O)c1cc(=O)c([O-])c([N+](=O)[O-])o1	mol10588	CCOC(=O)c1cc(=O)c(O)c([N+](=O)[O-])o1